Solvent extraction is a good method for treating phenylacetic acid wastewater. This method can effectively extract and remove organic matter from wastewater, reduce COD, and meet the standards for subsequent processes. The solvent extraction method is to transfer phenylacetic acid to the extractant with an extractant, and then separate the raffinate and the extractant containing organic matter through the extraction equipment. The loaded organic phase is stripped to strip phenylacetic acid from the extractant.
The treatment effect of phenylacetic acid wastewater using the centrifugal extractor is very significant. CWL-M centrifugal extractor is an efficient liquid-liquid extraction and separation equipment, which is widely used in the environmental protection industry.
Operation process of centrifugal extractor for phenylacetic acid wastewater
When Zhengzhou Tiei Extraction Technology Company conducted a phenylacetic acid wastewater treatment experiment, toluene is selected as the extractant according to the specific feed liquid conditions, that is, toluene is used to extract the phenylacetic acid in the wastewater.
Phenylacetic acid wastewater and toluene are injected into the CWL-M centrifugal extractor through different inlets according to a certain ratio. The two-phase liquids are quickly mixed and mass transferred, and the phenylacetic acid in the wastewater is transferred to toluene. Then, using the centrifugal force of the equipment, the toluene (loaded organic phase) containing phenylacetic acid and the wastewater are discharged from the body through different outlets of the centrifugal extractor to complete the extraction and separation operation.
Use alkaline solution to strip phenylacetic acid from toluene, inject the toluene solution containing phenylacetic acid and the alkaline solution used for the stripping into the CWL-M centrifugal extractor through different inlets, mix the toluene and alkaline solution for stripping in the equipment, and finally complete the separation of toluene and phenylacetic acid.
The CWL-M series centrifugal extractors developed and produced by Zhengzhou Tiei Extraction can effectively extract, recycle and remove organic matter from wastewater, and realize the pretreatment of wastewater. The centrifugal extractor has many advantages. The equipment material can be customized, the equipment can be selected according to the processing volume, and the operation process is convenient.
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